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How to use withRemovedLinesAboveMutant method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.spec.ts

Source:incremental-differ.spec.ts

...158      file.source = file.source?.replace(/\n/g, '\r\n');159    });160    return this;161  }162  public withRemovedLinesAboveMutant(...lines: string[]): this {163    this.incrementalFiles[srcAdd].source = `${lines.join('\n')}\n${srcAddContent}`;164    this.incrementalFiles[srcAdd].mutants[0].location = loc(1 + lines.length, 11, 1 + lines.length, 12);165    return this;166  }167  public withAddedTextBeforeMutant(text: string): this {168    this.currentFiles.set(169      srcAdd,170      srcAddContent171        .split('\n')172        .map((line, nr) => (nr === 1 ? `${text}${line}` : line))173        .join('\n')174    );175    this.mutants[0].location = loc(1, 11 + text.length, 1, 12 + text.length);176    return this;177  }178  public withAddedTextBeforeTest(text: string): this {179    this.currentFiles.set(180      testAdd,181      testAddContent182        .split('\n')183        .map((line, nr) => (nr === 4 ? `${text}${line}` : line))184        .join('\n')185    );186    for (const test of this.testCoverage.forMutant(this.mutantId)!) {187      if (test.startPosition) {188        test.startPosition = pos(4, 2 + text.length);189      }190    }191    return this;192  }193  public withAddedCodeInsideTheTest(code: string): this {194    this.currentFiles.set(195      testAdd,196      testAddContent197        .split('\n')198        .map((line, nr) => (nr === 5 ? `  ${code}\n${line}` : line))199        .join('\n')200    );201    for (const test of this.testCoverage.forMutant(this.mutantId)!) {202      if (test.startPosition) {203        test.startPosition = pos(4, 2);204      }205    }206    return this;207  }208  public withSecondTest({ located }: { located: boolean }): this {209    this.currentFiles.set(testAdd, testAddContentTwoTests);210    const secondTest = factory.testResult({ id: 'spec2', fileName: testAdd, name: 'add(45, -3) = 42' });211    if (located) {212      secondTest.startPosition = pos(7, 2);213    }214    this.testCoverage.addTest(secondTest);215    this.testCoverage.addCoverage(this.mutantId, [secondTest.id]);216    return this;217  }218  public withSecondTestInIncrementalReport({ isKillingTest = false } = {}): this {219    this.incrementalTestFiles[testAdd].tests.unshift(220      factory.mutationTestReportSchemaTestDefinition({ id: 'spec2', name: 'add(45, -3) = 42', location: loc(7, 0) })221    );222    if (isKillingTest) {223      this.incrementalFiles[srcAdd].mutants[0].killedBy = ['spec2'];224    }225    if (this.incrementalTestFiles[testAdd].source) {226      this.incrementalTestFiles[testAdd].source = testAddContentTwoTests;227    }228    return this;229  }230  public withUpdatedTestGeneration(): this {231    this.currentFiles.set(testAdd, testAddContentWithTestGenerationUpdated);232    const createAddWithTestGenerationTestResult = (a: number, b: number, answer: number) =>233      factory.testResult({ id: `spec${a}`, fileName: testAdd, name: `should result in ${answer} for ${a} and ${b}`, startPosition: pos(5, 4) });234    this.testCoverage.clear();235    this.testCoverage.addTest(factory.testResult({ id: 'new-spec-2', fileName: testAdd, name: 'should have name "add"', startPosition: pos(9, 2) }));236    const gen1 = createAddWithTestGenerationTestResult(40, 2, 42);237    const gen2 = createAddWithTestGenerationTestResult(45, -3, 42);238    this.testCoverage.addTest(gen1, gen2);239    this.testCoverage.addCoverage(this.mutantId, ['new-spec-2', gen1.id, gen2.id]);240    return this;241  }242  public withTestGenerationIncrementalReport(): this {243    this.incrementalTestFiles[testAdd].source = testAddContentWithTestGeneration;244    const createAddWithTestGenerationTestDefinition = (id: string, a: number, b: number, answer: number) =>245      factory.mutationTestReportSchemaTestDefinition({246        id,247        name: `should result in ${answer} for ${a} and ${b}`,248        location: loc(5, 4),249      });250    while (this.incrementalTestFiles[testAdd].tests.shift()) {}251    this.incrementalTestFiles[testAdd].tests.push(252      factory.mutationTestReportSchemaTestDefinition({ id: 'spec3', name: 'should have name "add"', location: loc(9, 2) }),253      createAddWithTestGenerationTestDefinition('spec4', 40, 2, 42),254      createAddWithTestGenerationTestDefinition('spec5', 45, -3, 42)255    );256    this.incrementalFiles[srcAdd].mutants[0].coveredBy = ['spec4', 'spec5'];257    this.incrementalFiles[srcAdd].mutants[0].killedBy = ['spec4'];258    return this;259  }260  public withRemovedTextBeforeMutant(text: string): this {261    this.incrementalFiles[srcAdd].source = srcAddContent262      .split('\n')263      .map((line, nr) => (nr === 1 ? `${text}${line}` : line))264      .join('\n');265    this.incrementalFiles[srcAdd].mutants[0].location = loc(1, 11 + text.length, 1, 12 + text.length);266    return this;267  }268  public withAddedTextAfterTest(text: string): this {269    const cnt = testAddContent270      .split('\n')271      .map((line, nr) => `${line}${nr === 6 ? text : ''}`)272      .join('\n');273    this.currentFiles.set(testAdd, cnt);274    return this;275  }276  public withChangedMutantText(replacement: string): this {277    this.currentFiles.set(srcAdd, srcAddContent.replace('+', replacement));278    return this;279  }280  public withDifferentMutator(mutatorName: string): this {281    this.mutants[0].mutatorName = mutatorName;282    return this;283  }284  public withDifferentReplacement(replacement: string): this {285    this.mutants[0].replacement = replacement;286    return this;287  }288  public withDifferentMutantLocation(): this {289    this.incrementalFiles[srcAdd].mutants[0].location = loc(2, 11, 2, 12);290    return this;291  }292  public withDifferentFileName(fileName: string): this {293    this.incrementalFiles[fileName] = this.incrementalFiles[srcAdd];294    delete this.incrementalFiles[srcAdd];295    return this;296  }297  public withSecondSourceAndTestFileInIncrementalReport(): this {298    this.incrementalTestFiles[testMultiply] = factory.mutationTestReportSchemaTestFile({299      source: testMultiplyContent,300      tests: [301        factory.mutationTestReportSchemaTestDefinition({ id: 'spec-3', location: loc(4, 2), name: 'multiply should result in 42 for 2 and 21' }),302      ],303    });304    this.incrementalFiles[srcMultiply] = factory.mutationTestReportSchemaFileResult({305      mutants: [306        factory.mutationTestReportSchemaMutantResult({307          id: 'mut-3',308          coveredBy: ['spec-3'],309          killedBy: ['spec-3'],310          replacement: '/',311          testsCompleted: 1,312          status: MutantStatus.Killed,313          location: loc(1, 11, 1, 12),314        }),315      ],316      source: srcMultiplyContent,317    });318    return this;319  }320  public withSecondSourceFile(): this {321    this.currentFiles.set(srcMultiply, srcMultiplyContent);322    return this;323  }324  public withSecondTestFile(): this {325    this.currentFiles.set(testMultiply, testMultiplyContent);326    return this;327  }328  public act() {329    this.sut = testInjector.injector.injectClass(IncrementalDiffer);330    deepFreeze(this.mutants); // make sure mutants aren't changed at all331    return this.sut.diff(332      this.mutants,333      this.testCoverage,334      factory.mutationTestReportSchemaMutationTestResult({335        files: this.incrementalFiles,336        testFiles: this.incrementalTestFiles,337      }),338      this.currentFiles339    );340  }341}342describe(IncrementalDiffer.name, () => {343  describe('mutant changes', () => {344    it('should copy status, statusReason, testsCompleted if nothing changed', () => {345      // Arrange346      const actualDiff = new ScenarioBuilder().withMathProjectExample().act();347      // Assert348      const actualMutant = actualDiff[0];349      const expected: Partial<Mutant> = {350        id: '2',351        fileName: srcAdd,352        replacement: '-',353        mutatorName: 'min-replacement',354        location: loc(1, 11, 1, 12),355        status: MutantStatus.Killed,356        statusReason: 'Killed by first test',357        testsCompleted: 1,358      };359      expect(actualMutant).deep.contains(expected);360    });361    it('should not reuse the result when --force is active', () => {362      // Arrange363      testInjector.options.force = true;364      const actualDiff = new ScenarioBuilder().withMathProjectExample().act();365      // Assert366      const actualMutant = actualDiff[0];367      expect(actualMutant.status).undefined;368    });369    it('should not reuse when the mutant was ignored', () => {370      // Arrange371      const actualDiff = new ScenarioBuilder().withMathProjectExample({ mutantState: MutantStatus.Ignored }).act();372      // Assert373      const actualMutant = actualDiff[0];374      expect(actualMutant.status).undefined;375    });376    it('should normalize line endings when comparing diffs', () => {377      const actualDiff = new ScenarioBuilder()378        .withMathProjectExample()379        .withTestFile()380        .withLocatedTest()381        .withCrlfLineEndingsInIncrementalReport()382        .act();383      const actualMutant = actualDiff[0];384      expect(actualMutant.status).eq(MutantStatus.Killed);385    });386    it('should map killedBy and coveredBy to the new test ids if a mutant result is reused', () => {387      const scenario = new ScenarioBuilder().withMathProjectExample();388      const actualDiff = scenario.act();389      const actualMutant = actualDiff[0];390      const expectedTestIds = [scenario.newTestId];391      const expected: Partial<Mutant> = {392        coveredBy: expectedTestIds,393        killedBy: expectedTestIds,394      };395      expect(actualMutant).deep.contains(expected);396    });397    it("should identify that a mutant hasn't changed if lines got added above", () => {398      const actualDiff = new ScenarioBuilder().withMathProjectExample().withAddedLinesAboveMutant("import path from 'path';", '', '').act();399      expect(actualDiff[0].status).eq(MutantStatus.Killed);400    });401    it("should identify that a mutant hasn't changed if characters got added before", () => {402      const actualDiff = new ScenarioBuilder().withMathProjectExample().withAddedTextBeforeMutant("/* text added this shouldn't matter */").act();403      expect(actualDiff[0].status).eq(MutantStatus.Killed);404    });405    it("should identify that a mutant hasn't changed if lines got removed above", () => {406      const actualDiff = new ScenarioBuilder().withMathProjectExample().withRemovedLinesAboveMutant('import path from "path";', '').act();407      expect(actualDiff[0].status).eq(MutantStatus.Killed);408    });409    it("should identify that a mutant hasn't changed if characters got removed before", () => {410      const actualDiff = new ScenarioBuilder().withMathProjectExample().withRemovedTextBeforeMutant("/* text removed, this shouldn't matter*/").act();411      expect(actualDiff[0].status).eq(MutantStatus.Killed);412    });413    it('should not reuse the status of a mutant in changed text', () => {414      const actualDiff = new ScenarioBuilder().withMathProjectExample().withChangedMutantText('*').act();415      expect(actualDiff[0].status).undefined;416    });417    it('should reuse the status when there is no test coverage', () => {418      const actualDiff = new ScenarioBuilder().withMathProjectExample().withoutTestCoverage().act();419      expect(actualDiff[0].status).eq(MutantStatus.Killed);420    });...

Using AI Code Generation

1const stryker = require('stryker-parent');2const fs = require('fs');3const path = require('path');4const code = fs.readFileSync(path.resolve(__dirname, 'foo.js'), 'utf8');5const mutant = {6    location: {7        start: { line: 10, column: 0 },8        end: { line: 10, column: 3 }9    },10};11console.log(stryker.withRemovedLinesAboveMutant(code, mutant));12const stryker = require('stryker-parent');13const fs = require('fs');14const path = require('path');15const code = fs.readFileSync(path.resolve(__dirname, 'foo.js'), 'utf8');16const mutant = {17    location: {18        start: { line: 10, column: 0 },19        end: { line: 10, column: 3 }20    },21};22console.log(stryker.withRemovedLinesAboveMutant(code, mutant));23const stryker = require('stryker-parent');24const fs = require('fs');25const path = require('path');26const code = fs.readFileSync(path.resolve(__dirname, 'foo.js'), 'utf8');27const mutant = {28    location: {29        start: { line: 10, column: 0 },30        end: { line: 10, column: 3 }31    },32};33console.log(stryker.withRemovedLinesAboveMutant(code, mutant));34const stryker = require('stryker-parent');35const fs = require('fs');36const path = require('path');37const code = fs.readFileSync(path.resolve(__dirname, 'foo.js'), 'utf8');38const mutant = {39    location: {40        start: { line: 10, column: 0 },41        end: { line: 10, column: 3 }42    },43};44console.log(stryker.withRemovedLinesAboveMutant(code, mutant));

Using AI Code Generation

1var stryker = require('stryker-parent');2var mutator = stryker.mutator;3var mutatorOptions = stryker.mutatorOptions;4var Stryker = stryker.Stryker;5var fs = require('fs');6var path = require('path');7var Promise = require('bluebird');8var _ = require('lodash');9var glob = require('glob');10var files = glob.sync('**/*.js', { ignore: ['node_modules/**'] });11var mutator = mutator.create(mutatorOptions);12var mutatedFiles = mutator.mutate(files);13var filePath = path.resolve(__dirname, 'mutated.js');14fs.writeFileSync(filePath, mutatedFiles[0].mutatedCode);15var filePath = path.resolve(__dirname, 'mutatedWithRemovedLines.js');16fs.writeFileSync(filePath, mutatedFiles[0].withRemovedLinesAboveMutant());17var filePath = path.resolve(__dirname, 'mutatedWithRemovedLines.js');18fs.writeFileSync(filePath, mutatedFiles[0].withRemovedLinesAboveMutant());19var strykerConfig = {20    mochaOptions: {21    }22};23new Stryker().runMutationTest(strykerConfig);

Using AI Code Generation

1const strykerParent = require('stryker-parent');2const mutant = {location: {start: {line: 2}}, mutatorName: 'Foo'};3  const a = 1;4  const b = 2;5  const c = 3;6`;7const mutatedCode = strykerParent.mutants.withRemovedLinesAboveMutant(mutant, code);8const strykerParent = require('stryker-parent');9const mutant = {location: {start: {line: 2}}, mutatorName: 'Foo'};10  const a = 1;11  const b = 2;12  const c = 3;13`;14const mutatedCode = strykerParent.mutants.withRemovedLinesBelowMutant(mutant, code);15const strykerParent = require('stryker-parent');16const mutant = {location: {start: {line: 2}}, mutatorName: 'Foo'};17  const a = 1;18  const b = 2;19  const c = 3;20`;21const mutatedCode = strykerParent.mutants.withRemovedLinesAboveMutant(mutant, code);22const strykerParent = require('stryker-parent');23const mutant = {location: {start: {line: 2}}, mutatorName: 'Foo'};24  const a = 1;25  const b = 2;26  const c = 3;27`;28const mutatedCode = strykerParent.mutants.withRemovedLinesBelowMutant(mutant, code);29const strykerParent = require('stryker-parent');

Using AI Code Generation

1const { withRemovedLinesAboveMutant } = require('stryker-parent');2const { withRemovedLinesAboveMutant } = require('stryker-api/src/child-proxy/child-proxy-helpers');3const { withRemovedLinesAboveMutant } = require('stryker-parent');4const { withRemovedLinesAboveMutant } = require('stryker-api/src/child-proxy/child-proxy-helpers');5const { withRemovedLinesAboveMutant } = require('stryker-parent');6const { withRemovedLinesAboveMutant } = require('stryker-api/src/child-proxy/child-proxy-helpers');7const { withRemovedLinesAboveMutant } = require('stryker-parent');8const { withRemovedLinesAboveMutant } = require('stryker-api/src/child-proxy/child-proxy-helpers');

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